Patent US3587699A successfully refreshed from Google Patents.
Patent US2240685A successfully refreshed from Google Patents.
US2240685A
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Cutting tool
Assignee: AT&T Inc
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Filing: 1937-12-15
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Granted: 1941-05-06
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Expires: 1957-12-15
Abstract
No abstract record available.
Inventors
- 👤 Walter L Bond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:04
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/30; F; F01; F01B; F01B17/00; F01B17/02; Y; Y10; Y10S; Y10S125/00; Y10S125/901; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1908; Y10T407/1912; Y10T409/00; Y10T409/30; Y10T409/30392; Y10T409/304536; Y10T409/30868; Y10T409/309016; Y10T409/309072; Y10T409/309576
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-05-05 | 1944-11-04 | 1945-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-05-05 | 1948-11-04 | 1949-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-05-05 | 1952-11-04 | 1953-05-06 | $7700.00 | Window Closed / Lapsed |